Autodesk Revit Structure Building Information Modeling (BIM) software for structural engineering firms features purpose-built tools for design, engineering, and analysis. Take advantage of new and updated tools, including structural analytical model enhancements and improved support for structural reinforcement. Powerful Revit core feature enhancements, such as construction modeling and point cloud support, enable models to be created more quickly, helping users create better construction documentation and accelerate renovation and retrofit projects.
Revit Structure 2012 Release Comparison Matrix 
Revit Structure 2012 Overview Brochure
More at: www.autodesk.com/revitstructure